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Finding the Fourth Proportional to 156,341.97, 234,510.47 and 49,724.39

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Solution

The fourth proportional to 156,341.97, 234,510.47 and 49,724.39 is: 74,585.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,341.97 : 234,510.47 = 49,724.39 : x
  2. Step 2: Convert to fraction form
    156,341.97/234,510.47 = 49,724.39/x
  3. Step 3: Cross multiply
    156,341.97x = 234,510.47 × 49,724.39
  4. Step 4: Simplify right side
    156,341.97x = 11,660,890,069.36
  5. Step 5: Solve for x
    x = 11,660,890,069.36/156,341.97
  6. Step 6: Final answer
    x = 74,585.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.